diff --git a/server.py b/server.py
index 5d1030e..1676453 100755
--- a/server.py
+++ b/server.py
@@ -55,6 +55,7 @@ _{datetime.datetime.now()}_
         Timer(10,s2wx).start()
         return
     pushisbusy=1
+    le = len(msgcache)
     def send():
         c= "  \n".join(msgcache[:3])
         res = requests.post("http://push.nmhd.eu.org:12722/push/murmur", json={
@@ -80,21 +81,16 @@ _{datetime.datetime.now()}_
         #     else:
         #         return res["message"]
 
-    if len(msgcache) >3:
+    if le >2:
         send()
-        if len(msgcache):
-            msgcache.pop(0)
-        if len(msgcache):
-            msgcache.pop(0)
-        if len(msgcache):
-            msgcache.pop(0)
+        msgcache.pop(0)
+        msgcache.pop(0)
+        msgcache.pop(0)
         Timer(10,s2wx).start()
-    elif (not len(content)) and len(msgcache):
+    elif (not len(content)) and le:
         # 等效超时
         send()
-        if len(msgcache):
-            msgcache.pop(0)
-        if len(msgcache):
+        for i in le:
             msgcache.pop(0)
         Timer(10,s2wx).start()
     pushisbusy=0